Dev Builds » 20250118-2018

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:50:37 583803 4000 1575 577 1848 +88.55 ± 4.9 2 92 828 1062 16 +187.16 ± 11.79
ncm-dbt-02 06:51:49 586896 4032 1583 523 1926 +93.54 ± 4.85 2 90 780 1134 10 +201.11 ± 12.18
ncm-dbt-03 06:50:47 587317 3996 1558 569 1869 +87.81 ± 4.87 1 97 822 1068 10 +186.47 ± 11.84
ncm-dbt-04 06:51:42 569771 4006 1554 519 1933 +91.85 ± 4.9 2 91 794 1102 14 +195.86 ± 12.06
ncm-dbt-05 06:52:28 583614 3966 1550 521 1895 +92.25 ± 4.87 1 80 810 1073 19 +195.43 ± 11.91
20000 7820 2709 9471 +90.8 ± 2.18 8 450 4034 5439 69 +193.17 ± 5.34

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396117 ncm-dbt-04 570148 6 3 0 3 +190.46 ± 18.51 0 0 0 3 0 +1199.83 ± 276.48
396116 ncm-dbt-02 587877 32 11 6 15 +54.73 ± 51.29 0 1 9 6 0 +112.33 ± 115.24
396115 ncm-dbt-05 580075 466 182 58 226 +94.73 ± 14.25 0 8 97 124 4 +197.88 ± 34.46
396114 ncm-dbt-03 586181 496 202 61 233 +101.56 ± 14.09 0 11 88 146 3 +218.08 ± 36.54
396113 ncm-dbt-01 583782 500 215 77 208 +98.44 ± 13.18 0 7 100 141 2 +211.87 ± 33.93
396112 ncm-dbt-04 570348 500 198 58 244 +99.95 ± 14.15 0 12 89 146 3 +213.85 ± 36.34
396111 ncm-dbt-02 583572 500 190 66 244 +88.0 ± 13.81 0 13 101 135 1 +187.16 ± 33.99
396110 ncm-dbt-05 586816 500 203 65 232 +98.44 ± 13.18 0 6 103 138 3 +209.91 ± 33.29
396109 ncm-dbt-03 584958 500 183 70 247 +79.9 ± 13.47 0 12 114 123 1 +167.53 ± 31.71
396108 ncm-dbt-01 583782 500 197 87 216 +77.7 ± 14.72 0 18 108 120 4 +157.24 ± 32.87
396107 ncm-dbt-04 568315 500 198 64 238 +95.44 ± 12.64 0 6 104 140 0 +207.95 ± 33.1
396106 ncm-dbt-02 587070 500 192 63 245 +91.71 ± 13.57 0 11 100 138 1 +196.45 ± 34.12
396105 ncm-dbt-05 578506 500 193 76 231 +82.83 ± 14.44 0 16 104 127 3 +171.02 ± 33.51
396104 ncm-dbt-03 586308 500 185 61 254 +88.0 ± 13.66 0 12 103 134 1 +187.16 ± 33.6
396103 ncm-dbt-01 583656 500 191 67 242 +88.0 ± 12.86 0 7 113 129 1 +187.16 ± 31.58
396102 ncm-dbt-04 570268 500 205 67 228 +98.44 ± 13.18 0 7 100 141 2 +211.87 ± 33.93
396101 ncm-dbt-02 586308 500 209 71 220 +98.44 ± 13.67 0 9 97 141 3 +209.91 ± 34.63
396100 ncm-dbt-05 581569 500 194 59 247 +96.19 ± 13.32 0 9 98 142 1 +207.95 ± 34.43
396099 ncm-dbt-03 588558 500 189 67 244 +86.52 ± 13.47 0 11 107 131 1 +183.51 ± 32.85
396098 ncm-dbt-04 568633 500 195 67 238 +90.96 ± 13.4 0 9 106 133 2 +192.71 ± 32.93
396097 ncm-dbt-01 583196 500 193 73 234 +85.04 ± 14.63 2 13 99 135 1 +183.51 ± 34.39
396096 ncm-dbt-02 588643 500 189 56 255 +94.7 ± 14.09 1 12 90 147 0 +207.95 ± 36.13
396095 ncm-dbt-05 585548 500 195 65 240 +92.45 ± 14.2 0 12 100 134 4 +192.71 ± 34.15
396094 ncm-dbt-03 589539 500 192 78 230 +80.63 ± 14.09 0 16 105 128 1 +169.27 ± 33.34
396093 ncm-dbt-04 570308 500 180 63 257 +82.83 ± 14.44 1 15 101 132 1 +176.33 ± 34.04
396092 ncm-dbt-01 584285 500 190 68 242 +86.52 ± 13.63 0 12 105 132 1 +183.51 ± 33.24
396091 ncm-dbt-02 587537 500 203 65 232 +98.44 ± 14.44 0 14 87 146 3 +209.91 ± 36.75
396090 ncm-dbt-05 584579 500 194 70 236 +88.0 ± 13.81 1 10 104 134 1 +189.0 ± 33.39
396089 ncm-dbt-03 587792 500 197 73 230 +88.0 ± 13.81 0 14 98 138 0 +189.0 ± 34.56
396088 ncm-dbt-01 582819 500 189 68 243 +85.78 ± 14.22 0 13 107 126 4 +176.33 ± 32.93
396087 ncm-dbt-04 569589 500 189 77 234 +79.17 ± 14.19 1 13 111 123 2 +165.8 ± 32.28
396086 ncm-dbt-02 585759 500 192 69 239 +87.26 ± 13.95 1 12 100 137 0 +189.0 ± 34.18
396085 ncm-dbt-03 586223 500 202 73 225 +91.71 ± 13.57 1 9 100 140 0 +200.24 ± 34.09
396084 ncm-dbt-05 582027 500 202 72 226 +92.45 ± 14.05 0 12 99 136 3 +194.57 ± 34.34
396083 ncm-dbt-04 570068 500 192 63 245 +91.71 ± 14.34 0 16 90 143 1 +196.45 ± 36.11
396082 ncm-dbt-02 585421 500 197 63 240 +95.44 ± 13.63 0 11 95 143 1 +206.01 ± 35.09
396081 ncm-dbt-01 585590 500 209 71 220 +98.44 ± 13.01 0 8 96 146 0 +215.85 ± 34.78
396080 ncm-dbt-03 588984 500 208 86 206 +86.52 ± 13.93 0 12 107 128 3 +179.9 ± 32.89
396079 ncm-dbt-02 589882 500 200 64 236 +96.94 ± 13.0 0 7 101 141 1 +209.91 ± 33.74
396078 ncm-dbt-04 570268 500 194 60 246 +95.44 ± 14.25 0 13 93 141 3 +202.15 ± 35.52
396077 ncm-dbt-05 589796 500 187 56 257 +93.2 ± 12.79 0 7 105 138 0 +202.15 ± 32.99
396076 ncm-dbt-01 583321 500 191 66 243 +88.74 ± 14.28 0 14 100 133 3 +185.33 ± 34.19

Commit

Commit ID c94bcf62e4dac6b92455f2701fda794883044b8b
Author FauziAkram
Date 2025-01-18 20:18:48 UTC
Moving up the if position is or has been on the PV reduction Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 29664 W: 7880 L: 7570 D: 14214 Ptnml(0-2): 93, 3487, 7390, 3741, 121 https://tests.stockfishchess.org/tests/view/678ac957c00c743bc9e9fc3f Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 81354 W: 20903 L: 20487 D: 39964 Ptnml(0-2): 66, 9003, 22123, 9419, 66 https://tests.stockfishchess.org/tests/view/678ad359c00c743bc9e9fcfa closes https://github.com/official-stockfish/Stockfish/pull/5794 Bench: 1414638
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